World Resorts USA Newport Beach Weather

Newport Beach Sea Temperature in December

Average sea water temperature in December:
+60.8°F
Minimum sea water temperature in December: 64.2°F
Maximum sea water temperature in December: 58.1°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 64.2°F and 62.4°F.

Monthly sea water temperature in Newport Beach, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kahului 78.3°F 78.0°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Key Largo 76.3°F 73.1°F
Hialeah 76.2°F 74.3°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.8°F 68.0°F
Naples 71.5°F 67.7°F
Cape Coral 71.2°F 67.8°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Newport Beach

Sunniest months:
August 24 days
July 24 days
October 22 days
Warmest months:
August 79.0 °F
September 78.0 °F
July 77.1 °F
Warmest sea temp:
August 69.3 °F
September 68.7 °F
July 67.8 °F
Coldest months:
January 63.9 °F
December 63.9 °F
March 64.1 °F
Rainiest months:
December 2 days
January 1 day
April 1 day
Windiest months:
May 6.7 mph
March 6.6 mph
April 6.5 mph

Newport Beach on a weather map

Newport Beach
+59°F
E 7 mph
Feels like: +59°F
Precip.: 0%
Places in USA:
Name
°F
+68°F
+73°F
+73°F
+61°F
+61°F
+84°F
+81°F
+68°F
+61°F
+63°F
+54°F
+90°F
+88°F
+77°F
+54°F
24 Hours Forecast
Newport Beach
Local time: 08:18
April 27, monday
0900
59°F
E
7 mph
1200
64°F
NE
11 mph
1500
63°F
NE
12 mph
1800
63°F
E
11 mph
2100
61°F
E
9 mph
April 28, tuesday
0000
59°F
E
6 mph
0300
59°F
E
4 mph
0600
59°F
E
2 mph
Units of measurement: °C / °F